Home / 56,927.80-85,391.70-21,868.30

Finding the Fourth Proportional to 56,927.80, 85,391.70 and 21,868.30

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Solution

The fourth proportional to 56,927.80, 85,391.70 and 21,868.30 is: 32,802.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,927.80 : 85,391.70 = 21,868.30 : x
  2. Step 2: Convert to fraction form
    56,927.80/85,391.70 = 21,868.30/x
  3. Step 3: Cross multiply
    56,927.80x = 85,391.70 × 21,868.30
  4. Step 4: Simplify right side
    56,927.80x = 1,867,371,313.11
  5. Step 5: Solve for x
    x = 1,867,371,313.11/56,927.80
  6. Step 6: Final answer
    x = 32,802.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.